Sr.Backend Engineer

resilientcoยท Engineering
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๐Ÿ“ ArgentinaContractor

About this role

Summary

We are seeking a Senior C# /.NET Integration Engineer to design and build enterprise integrations, APIs, and data processing solutions in Azure environments. This role focuses on C# /.NET Core development, REST API design, SQL-based data work, JSON/XML transformations, ETL processes, and cloud-native Azure services.

The role partners closely with Product Owners, Business Analysts, and business stakeholders to implement integrations between upstream PLM systems, InRiver PIM, and downstream marketplace/syndication platforms. Experience using AI-assisted development tools such as GitHub Copilot or Microsoft Copilot to improve productivity and code quality is required.

Responsibilities

  • Design and develop backend integrations and APIs using C# and .NET Core/.NET 6+.
  • Build and maintain REST APIs with OpenAPI/Swagger documentation.
  • Implement data transformation, mapping, and ETL processes for JSON and XML payloads.
  • Develop and optimize SQL queries and batch processing for data validation and reconciliation.
  • Implement asynchronous, dependency-injected, and SOLID-based solutions with unit and integration tests.
  • Deploy and operate cloud-native components using Azure Functions, App Services, Azure SQL, Service Bus, and Azure Storage.
  • Monitor applications and integrations using Application Insights and related monitoring tools.
  • Collaborate with Product Owners, Business Analysts, and stakeholders to gather requirements and deliver integration solutions.
  • Use AI-assisted development tools (GitHub Copilot, Microsoft Copilot) to generate, test, document, and validate code and to improve developer workflows.
  • Review and validate AI-generated code, maintain code quality, and apply prompt engineering for development tasks.

Requirements

  • 5+ years of professional backend development experience with C# and .NET Core / .NET 6+.
  • Proven experience designing and developing REST APIs and OpenAPI/Swagger.
  • Strong experience with JSON and XML processing, transformation, and mapping.
  • Practical experience building ETL processes, batch processing, and data validation/reconciliation.
  • Solid SQL development skills and query optimization experience.
  • Solid experience with Azure DevOps or similar DevOps tools for development, deployment, or CI/CD workflows.
  • Hands-on experience with Microsoft Azure services: Azure Functions, Azure App Services, Azure SQL, Azure Service Bus, and Azure Storage.
  • Experience with API security concepts (OAuth, authentication, authorization).
  • Competence in object-oriented design, SOLID principles, dependency injection, and asynchronous programming.
  • Experience writing unit and integration tests and maintaining testable codebases.
  • Demonstrated use of AI-assisted development tools such as GitHub Copilot or Microsoft Copilot and ability to review and validate AI-generated code.
  • Strong communication skills and experience collaborating in Agile, cross-functional teams with Product Owners and Business Analysts.
  • Experience designing or working with enterprise system integrations, ideally involving product data, PIM, MDM, PLM, eCommerce, marketplace, or syndication platforms.

Nice to Have

  • Direct InRiver PIM development or customization experience.
  • Experience with product information management, product enrichment workflows, or product syndication.
  • Familiarity with PLM, MDM, or product catalog management domains.
  • Experience with advanced AI tools or practices such as GitHub Copilot Enterprise, Microsoft Copilot Studio, Azure OpenAI,ย RAG workflows, AI-assisted development workflows, or Responsible AI / AI governance practices.
  • Experience with marketplace integrations, eCommerce platforms, or downstream product syndication platforms.
  • Experience with similar PIM platforms such as Akeneo, Salsify, Pimcore, Stibo Systems STEP, or Riversand.

Engagement & Logistics

  • Engagement Length: From 6 to 11 months, with possibility of extension.
  • Time Zone: EST
  • Overtime Required: No
  • Equipment: BYOD (Bring Your Own Device)ย 

    Selection process

    1. Meeting with Resilient Co. team.
    2. First technical interview (30 mins)
    3. client technical interview (30 mins)
    4. Possibly a second client interview (30 mins)

Frequently Asked Questions

Is the salary disclosed for the Sr.Backend Engineer position at resilientco?
The salary for this Sr.Backend Engineer role at resilientco is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Sr.Backend Engineer position at resilientco located?
This Sr.Backend Engineer role at resilientco is based in Argentina. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Sr.Backend Engineer role at resilientco full-time or part-time?
This is listed as a Contractor position. It is posted as a Sr.Backend Engineer role in the Engineering department at resilientco.
Which team or department does the Sr.Backend Engineer at resilientco belong to?
This Sr.Backend Engineer position is part of the Engineering department at resilientco. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Sr.Backend Engineer position at resilientco?
Click the "Apply Now" button on this page. You will be redirected to resilientco's official application portal hosted on lever where you can submit your application directly.
When was the Sr.Backend Engineer job at resilientco posted?
This Sr.Backend Engineer position at resilientco was posted on Jun 11, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
Sr.Backend Engineer
resilientco
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